This study was aimed at finding an appropriate digital-based language teaching model for the national language teaching at the lower level classes of primary school using Javanese language. The research was categorized as Research and Development (R & D) study. The data were gathered through (1) surveying for need assessment, (2) surveying for identification of the contract between the local language which is Javanese language and the national one which is Bahasa, (3) constructing the product draft, digital-based teaching media, macromedia flash, (5) validating product draft,   (6) conducting experimental study for testing and validating the product, (7) developing manual book, and (8) conducting product socialization and dissemination. The study was conducted for 2 years in elementary school students in DIY which the students speak Javanese. The data were analyzed using descriptive qualitative method to examine the constructs of Javanese local language and National language, FGD results, interviews, and questionnaires. While the validation of the product was analyzed quantitatively. The research showed the clear descriptions about the relation between local language and national language teaching at school and the contrast between the Javanese and the national language. This study also produced the validated designed model, the digital-based language teaching media, macromedia flash, validated empirically, with p ≤ 0.05. At the end of the study, the developed model was also socialized and disseminated.